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Incheon Intl

$401+ Cheap flights from Heathrow (LHR) to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ICN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Incheon Intl are usually found in November or February, booked 62 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Heathrow to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Incheon Intl (ICN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$537
(Lufthansa)

One-way from

$401
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$1,026

Good round-trip deal

$1,334 or less

Good one-way deal

$950 or less
From London Heathrow to Incheon Intl
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One-way flight from London Heathrow to Incheon Intl
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Highest demand for flights based on searches. 14% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London Heathrow to Incheon Intl.
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Price to beat on a one-way flight from London Heathrow to Incheon Intl.
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Find flight deals from Heathrow to Incheon Intl

Cheapest flights from Heathrow to Incheon Intl
Explore the most affordable flight options available from Heathrow to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Air China deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:40 pmLHR - ICN
1 stop15h 05mAir China
Sun 10/121:05 pmICN - LHR
1 stop36h 40mAir China
Deal found 9/10$538
This Air China deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:00 pmLHR - ICN
1 stop30h 55mAir China
Mon 10/131:05 pmICN - LHR
1 stop15h 25mAir China
Deal found 9/11$539
This Air China deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:00 pmLHR - ICN
1 stop30h 55mAir China
Wed 10/221:05 pmICN - LHR
1 stop15h 25mAir China
Deal found 9/11$542
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:20 pmLHR - ICN
1 stop32h 10mChina Eastern
Tue 10/2112:00 pmICN - LHR
2 stops38h 40mChina Eastern
Deal found 9/11$551
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:20 pmLHR - ICN
1 stop15h 25mChina Eastern
Fri 10/248:15 pmICN - LHR
2 stops30h 25mChina Eastern
Deal found 9/11$552
This Booking.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:00 pmLHR - ICN
2 stops29h 15mChina Eastern
Mon 11/248:50 pmICN - LHR
2 stops29h 40mChina Eastern
Deal found 9/11$559
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 pmLHR - ICN
2 stops29h 00mMultiple Airlines
Sat 12/138:50 pmICN - LHR
2 stops29h 40mMultiple Airlines
Deal found 9/10$575
This Lufthansa deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:40 amLHR - ICN
2 stops18h 10mLufthansa
Mon 12/221:05 pmICN - LHR
1 stop16h 45mLufthansa
Deal found 9/10$578
This Lufthansa deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:10 amLHR - ICN
1 stop15h 05mLufthansa
Mon 12/221:05 pmICN - LHR
2 stops28h 00mLufthansa
Deal found 9/10$581
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:10 pmLHR - ICN
1 stop33h 35mShenzhen Airlines
Sat 11/82:55 pmICN - LHR
1 stop37h 15mShenzhen Airlines
Deal found 9/10$602
This Air China deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:10 pmLHR - ICN
1 stop29h 45mAir China
Sat 12/272:35 pmICN - LHR
1 stop36h 15mAir China
Deal found 9/10$608

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Incheon Intl Airport that are best for you.

Fly from

Heathrow

Fly to

Incheon Intl

Route

Depart

Return

Price

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sun 2/15

8:30 am-10:50 am

1 stop17h 20m

Incheon Intl

Sun 2/22

1:05 pm-8:05 am

2 stops28h 00m

$596

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 11/12

7:50 pm-7:00 pm

2 stops38h 10m

Incheon Intl

Wed 11/26

11:45 pm-4:00 pm

1 stop25h 15m

$727

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 12/10

3:45 pm-4:55 pm

1 stop16h 10m

Incheon Intl

Fri 1/9

11:05 pm-12:05 pm

1 stop22h 00m

$763

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 12/10

7:40 am-10:50 am

2 stops18h 10m

Incheon Intl

Sun 1/11

1:30 pm-9:00 pm

1 stop16h 30m

$833

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 12/10

7:40 am-10:50 am

2 stops18h 10m

Incheon Intl

Sat 1/10

1:30 pm-9:00 pm

1 stop16h 30m

$833

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Fri 10/3

2:45 pm-10:45 am

1 stop36h 00m

Incheon Intl

Wed 10/8

1:35 am-6:45 pm

1 stop25h 10m

$875

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Mon 10/27

9:00 pm-11:55 am

1 stop29h 55m

Incheon Intl

Mon 11/3

10:40 am-4:30 pm

Nonstop14h 50m

$966

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 11/12

7:50 pm-7:00 pm

2 stops38h 10m

Incheon Intl

Wed 1/7

11:45 pm-2:35 pm

2 stops23h 50m

$1,035

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Wed 11/12

8:10 pm-5:45 pm

Nonstop12h 35m

Incheon Intl

Thu 11/27

12:25 pm-6:05 pm

Nonstop14h 40m

$1,079

LondonIncheon

LHR - ICN

LHRICN

London Heathrow

Sat 10/11

10:05 pm-3:40 pm

1 stop33h 35m

Incheon Intl

Sat 10/25

4:45 pm-8:10 pm

1 stop35h 25m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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The best insider tips for London Heathrow Airport to Incheon Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Incheon Intl Airport trip
Airports
LHR

Heathrow's strict security means longer waits. Ensure liquids are in one bag and remove suspicious items to avoid delays.

Read more about LHRby Ramsey Qubein
ICN

Use the AREX express train for a quick 40-50 minute trip from Incheon to Seoul Station. It's fast and convenient.

Read more about ICNby Gabriel Leigh
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Heathrow to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Incheon Intl Airport

What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $990). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,633). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to ICN?

Find hourly flight availability from Heathrow to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 20% on flights from London Heathrow Airport to Incheon Intl Airport by exploring options for tickets in the morning.

How much does it cost to fly round-trip from London Heathrow Airport to Incheon Intl Airport?

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Air China from London Heathrow Airport to Incheon Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.2
Good
99 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Lufthansa
6.8
Okay
7,409 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Incheon Intl Airport?

    Departing from London Heathrow Airport to Incheon Intl Airport will take you 16h 10m. London Heathrow Airport and Incheon Intl Airport are separated by a distance of 5503 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from London Heathrow Airport to Incheon Intl Airport round-trip?

    Our cheapest airline available from London Heathrow Airport to Incheon Intl Airport is Air China. Our recent data shows that you can find tickets from as low as $507 on this airline. Additional options worth looking into are Lufthansa and Asiana Airlines, starting at $579 and $990 round-trip. Users have found that Air China is 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Incheon Intl Airport one-way?

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $401. However, be on the lookout for offers from Tianjin Airlines and China Eastern, as they are both options that can get you from London Heathrow Airport to Incheon Intl Airport for a low price.

  • What are the most reliable airlines from London Heathrow Airport to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Incheon Intl Airport consider choosing Korean Air (92%), Virgin Atlantic (92%) or Asiana Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Incheon Intl Airport?

    While on average a flight from London Heathrow Airport to Incheon Intl Airport is generally $1,226, our data shows the cheapest flight currently is $665. When looking at the most popular route, (London Heathrow - Incheon Intl), you can expect to pay $459 for that flight.

  • Can I find deals for flights from Heathrow to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on Heathrow to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Incheon Intl.

  • Can I find deals for business class flights from Heathrow to Incheon Intl?

    Yes. Cheapflights offers flight deals from Heathrow to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Incheon Intl Airport (average of $990). Flying from London Heathrow Airport to Incheon Intl Airport in December is currently the most expensive (average of $1,633). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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Top 4 airlines flying from Heathrow to Incheon Intl

Discover the top 4 airlines that operate flights from Heathrow to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$507Average$738FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$579Average$971FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$990Average$1,373FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,000Average$1,200FlexibilityNo cancel feeOn-time81%

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